OFO RECOVERY SHIP COVER & POSTMARK VARIETIES

OFO (Orbiting Frog Otolith) - 10 November 1970

The OFO-A (Orbiting Frog Otolith-A) mission was launched on November 9, 1970 (06:00 GMT) from Wallops Island launch site. The satellite carrying the OFO-A experiment remained in orbit for almost seven days. Recovery of the spacecraft was not planned.The payload was the Frog Otolith Experiment Package (FOEP). The objective of the experiment was to investigate the effect of microgravity on the otolith, a sensory organ that responds to changes in an animal's orientation within the Earth's gravitational field.1

Recovery Force Ships
Ship Type Designation Covers
None      
Tracking & Communications Ships
USNS Range Tracker TS - Tracking Ship T-AGM 1 U/K
 
Postmark Variations
Ship Description of Postmark Scarcity

Norfolk Naval Amphibious Base

Double Ring U/K

Norfolk2

Machine U/K
Notes:
1) Source: Wikipedia
2) Cover from the collection of Eddie Bizub

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